2. a. Develop a linear trend line for the following data. (Solve manually, using Minitab and using Excel) b. Plot the line and the data on a graph, is linear trend line appropriate. Why or why not? (Use Excel or Minitab) c. Then use the equation to predict the next two values of the series. (Solve manually) с. d. Compute the coefficient of correlation and coefficient of determination. Interpret. (Solve manually and using Excel) Period 1. 2 3 4 5 6 7 8 9. Demand 44 52 50 54 55 55 60 56 62
2. a. Develop a linear trend line for the following data. (Solve manually, using Minitab and using Excel) b. Plot the line and the data on a graph, is linear trend line appropriate. Why or why not? (Use Excel or Minitab) c. Then use the equation to predict the next two values of the series. (Solve manually) с. d. Compute the coefficient of correlation and coefficient of determination. Interpret. (Solve manually and using Excel) Period 1. 2 3 4 5 6 7 8 9. Demand 44 52 50 54 55 55 60 56 62
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter13: Regression And Forecasting Models
Section: Chapter Questions
Problem 33P: Management of a home appliance store would like to understand the growth pattern of the monthly...
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Question
![2. a. Develop a linear trend line for the following data. (Solve manually, using Minitab
and using Excel)
b. Plot the line and the data on a graph, is linear trend line appropriate. Why or why
not? (Use Excel or Minitab)
c. Then use the equation to predict the next two values of the series. (Solve manually)
d. Compute the coefficient of correlation and coefficient of determination. Interpret.
(Solve manually and using Excel)
Period
1
2
4
6 7 8
9
Demand
44
52
50
54
55
55
60
56
62
3.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4ede386f-a453-4ba8-9d15-556cf3162d29%2F3787b351-434b-4119-8119-fd3b1df9a105%2Fx4lh5wr_processed.png&w=3840&q=75)
Transcribed Image Text:2. a. Develop a linear trend line for the following data. (Solve manually, using Minitab
and using Excel)
b. Plot the line and the data on a graph, is linear trend line appropriate. Why or why
not? (Use Excel or Minitab)
c. Then use the equation to predict the next two values of the series. (Solve manually)
d. Compute the coefficient of correlation and coefficient of determination. Interpret.
(Solve manually and using Excel)
Period
1
2
4
6 7 8
9
Demand
44
52
50
54
55
55
60
56
62
3.
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